[BUG] Claude Code process exited with code 127

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

Cowork
Claude Code process exited with code 127

What Should Happen?

Creating a new Cowork session will result in an error, while some historical sessions can execute normally.

Error Messages/Logs

Steps to Reproduce

coworkKappa is unavailable

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.133

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_